TM 11-5821-333-30
6-20. OPERATIONAL CHECK. Continued
ACTION
RESPONSE
Step 15. REFERENCE RCU TEST. Continued
1.
Set ref rcu PRESET switch to positions 1
through CUE, one at a time. For each PRE-
SET position, turn the ref rcu FUNCTION
switch from SQ ON to TEST and watch the
display,
m. Set ref rcu PRESET switch to MAN.
n. Set ref rcu IFM-RF PWR switch to the LO,
NORM, and HI positions. For each position,
turn the ref rcu FUNCTION switch from SQ ON
to TEST, and watch the display.
o. Set ref rcu IFM-RF PWR switch to OFF.
p. Set ref rcu MODE switch to the HOM, FH, and
FH-M positions. For each position, turn the
ref rcu FUNCTION switch from SQ ON to
TEST, and watch the display,
q. Set ref rcu–
MODE: FH
PRESET: 1
r. Connect ECCM fill device to ref rt FILL con-
nector.
s.
If ref rcu is C-11466A, go to step w.
t.
Set ref rcu–
FUNCTION: LD-V
1.
Ref rcu display reads:
" - - - - -“ for 3s
“ E
-“ for 2s
“8 888 8“ for 7s
“Good” for 8s
for each PRESET switch position.
If not, ref rcu is bad.
m. No response
n.
Ref rcu display reads:
“- - - - -
“ for 3s
“E
-“ for 2s
“8 888 8“ for 7s
“Good” for 8s
for each IFM-RF PWR switch position.
If not, ref rcu is bad.
o. No response,
p. Ref rcu display reads:
" - - - - -“ for 3s
“E
-“ for 2s
“8 888 8“ for 7s
“Good” for 8s
for each MODE switch position.
If not, ref rcu is bad.
q, No response.
r.
No response,
s.
No response.
t.
No response.
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